Overview

overview

10

Static

static

3

a4146321d1...90.exe

windows7-x64

10

a4146321d1...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a4146321d1ef3e7386ff7fdd3e5780099472e34a5922d4337c32c55ab205f890

  • Size

    90KB

  • Sample

    241209-b51amasmen

  • MD5

    8a55d1037af8164c1b1f269f025da5f2

  • SHA1

    441416d9491f6196594588957cf103f6a3c4d424

  • SHA256

    a4146321d1ef3e7386ff7fdd3e5780099472e34a5922d4337c32c55ab205f890

  • SHA512

    52a07b1e0097a383333713939abd6f4a094983c1698c6b045abafb8d6c7017322cf9dd76002fc0fe001857362462c3811c7324ee0a93c678a1b84d2a7eec1962

  • SSDEEP

    1536:g62xloeurwhbe02ulTBVYg5ub9l+zEWmcy28OaLEOqwijcG9Iu/Ub0VkVNK:lOoFU5eEBVnub6zd7nCTqwijcGKu/Ubi

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      a4146321d1ef3e7386ff7fdd3e5780099472e34a5922d4337c32c55ab205f890

    • Size

      90KB

    • MD5

      8a55d1037af8164c1b1f269f025da5f2

    • SHA1

      441416d9491f6196594588957cf103f6a3c4d424

    • SHA256

      a4146321d1ef3e7386ff7fdd3e5780099472e34a5922d4337c32c55ab205f890

    • SHA512

      52a07b1e0097a383333713939abd6f4a094983c1698c6b045abafb8d6c7017322cf9dd76002fc0fe001857362462c3811c7324ee0a93c678a1b84d2a7eec1962

    • SSDEEP

      1536:g62xloeurwhbe02ulTBVYg5ub9l+zEWmcy28OaLEOqwijcG9Iu/Ub0VkVNK:lOoFU5eEBVnub6zd7nCTqwijcGKu/Ubi

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks